The Screw,machine, cataloged under National Stock Number 5305-01-159-2775, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-159-2775 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Head Height | 0.072 INCHES MINIMUM AND 0.079 INCHES MAXIMUM IN |
| Screw Surface Treatment | PASSIVATE |
| Fastener Length | 0.345 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN |
| Thread Length | 0.295 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.112 INCHES IN |
| Head Style | FILLISTER |
| Thread Direction | RIGHT-HAND |
| Screw Material | STEEL CORROSION RESISTING |
| Internal Drive Style | SLOT |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 40 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.166 INCHES MINIMUM AND 0.183 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 645227D3D | 5/9 Secondary reference U.S. Government activity |
| 645227D3D | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-159-2775 is a Screw,machine, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-159-2775: Head Height: 0.072 INCHES MINIMUM AND 0.079 INCHES MAXIMUM IN; Screw Surface Treatment: PASSIVATE; Fastener Length: 0.345 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN; Thread Length: 0.295 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN. 13 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.